null-line
| gap
| null line | |
| phys. | Lichtlinie; Nullinie |
| gap | |
| gen. | Bresche; Kluft; Leerstelle; Lücke; Zahnlücke; Abstand |
| mater.sc. mech.eng. | Abstand zwischen den Walzen |
| tech. | Klaffung |
| |||
| Lichtlinie f; Nullinie f | |||
|
null-line : 3 phrases in 2 subjects |
| Optics branch of physics | 1 |
| Physics | 2 |